route for linx.net in Level3?

Thu Apr 4 20:43:44 UTC 2013

>> Even if the exchange does not advertise the exchange LAN, it's
>> probably the case that it is in the IGP (or at least IBGP) of
>> everyone connected to it,

yikes!  this is quite ill-advised and i don't know anyone who does
this, but i think all my competitors should.

> I have experience of several networks where that is not the case. IGP
> carries routes for loopback and internal-facing interfaces;

i have seen some carry external because, for some reason, they do not
want to re-write next-hop at the border.

randy